Answer:
dunno do you know the answr??
Step-by-step explanation:
Answer:
Standard deviation.
Step-by-step explanation:
The standard deviation measures how accurate the point estimate is likely to be in estimating a parameter.
Answer:
.32 or 32%
Step-by-step explanation:
The area of the circle is about 50.27
Given this you can use this to find the area of the triangle and find the precent of the circle that is shaded:
The area of the triangle is 16
you can divide 16 by 50.27 to see the precntage or propability for the answer
Answer:
Answer is 60.
Step-by-step explanation:
Two equations, two unknowns.
As you said, let x be the number of $5 items and y the number of $25 items.
First equation is based on VALUE (second sentence):
5x + 25y = 1950
Second equation is based on NUMBER (third sentence):
x + y = 150
Now solve. Easy way is rearrange the second equation (x = 150 - y) and sub into the first:
5(150 - y) + 25y = 1950
750 - 5y + 25y = 1950
20y = 1200
y = 60
Since y represented the number of items sold at $25, 60 is the number of items.
Answer:
Tristan is correct, because he needs to find the possible dimensions for rectangle WXYZ and then divide each dimension by 3.
Step-by-step explanation:
The rectangle ABCD is dilated by a factor of 3 to get the rectangle WXYZ whose area is found to be 72 cm².
Let the dimensions of the dilated rectangle WXYZ are a cm by b cm.
So, ab = 72 ........... (1)
Now, the dimensions of the original rectangle are 3 times lesser than the dimensions of rectangle WXYZ.
So, the area of rectangle ABCD will be 
cm² {from equation (1)}
Therefore, Tristan is correct, because he needs to find the possible dimensions for rectangle WXYZ and then divide each dimension by 3. (Answer)
